Tapewire

Nasdaq · USD

IBKR

Interactive Brokers Group, Inc.

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Tapewire entity
279
SEC CIK
0001381197
Parsed reports
804

Last 12 months

Inside the activity.

9 purchase rows · 9 sale rows

Disclosed non-derivative P/S rows, by transaction month. Includes amendments and private transactions.
Monthly counts
MonthPurchasesSales
Nov 202500
Dec 202500
Jan 202608
Feb 202610
Mar 202610
Apr 202611
May 202610
Jun 202610
Jul 202610
Aug 202610
Sep 202610
Oct 202610

Latest available

Insider transactions

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Purchases/sales include open-market and private transactions. Plan disclosure applies to the filing; individual rows may differ. “Not disclosed” is not “unplanned.”

The cutoff filters transaction history only. Company summaries and owner relationships show the latest available disclosures. Parser corrections can improve historical records.

Transaction dateOwner / reported roleActivity / securityShares / unitsReported priceReported valueDetails
October 04, 2017 Filed Oct 5, 2017 15:13 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 16,850 $47.29 $796,836.50
Disclosure

SEC source: 0001140361-17-037701 · doc1.xml · nonDerivative · entry 2

Frank Thomas AJ · CIK 0001391401 · Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 508,026

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $47.08 to $47.52, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
October 04, 2017 Filed Oct 5, 2017 15:12 UTC
Brody Paul JonathanDirector · Chief Financial Officer
SaleClass A common stock 5,621 $47.29 $265,817.09
Disclosure

SEC source: 0001140361-17-037700 · doc1.xml · nonDerivative · entry 2

Brody Paul Jonathan · CIK 0001391403 · Director · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 89,495

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $47.08 to $47.50, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
October 03, 2017 Filed Oct 5, 2017 15:15 UTC
Nemser Earl HDirector · Vice Chairman
SaleClass A common stock 782 $46.91 $36,683.62
Disclosure

SEC source: 0001140361-17-037703 · doc1.xml · nonDerivative · entry 1

Nemser Earl H · CIK 0001391400 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 13,790

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $46.40 to $47.22, inclusive. The reporting person undertakes to provide Interactive Brokers Group, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnotes (4) - (5) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
October 03, 2017 Filed Oct 5, 2017 15:13 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 16,255 $46.90 $762,359.50
Disclosure

SEC source: 0001140361-17-037701 · doc1.xml · nonDerivative · entry 1

Frank Thomas AJ · CIK 0001391401 · Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 524,876

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $46.40 to $47.22, inclusive. The reporting person undertakes to provide Interactive Brokers Group, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnotes (4) - (5) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
October 03, 2017 Filed Oct 5, 2017 15:12 UTC
Brody Paul JonathanDirector · Chief Financial Officer
SaleClass A common stock 4,996 $46.90 $234,312.40
Disclosure

SEC source: 0001140361-17-037700 · doc1.xml · nonDerivative · entry 1

Brody Paul Jonathan · CIK 0001391403 · Director · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 95,116

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $46.40 to $47.22, inclusive. The reporting person undertakes to provide Interactive Brokers Group, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnotes (4) - (5) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
October 02, 2017 Filed Oct 3, 2017 19:23 UTC
Nemser Earl HDirector · Vice Chairman
SaleClass A common stock 111 $46.17 $5,124.87
Disclosure

SEC source: 0001140361-17-037337 · doc1.xml · nonDerivative · entry 3

Nemser Earl H · CIK 0001391400 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 14,572

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $46.04 to $46.37, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
October 02, 2017 Filed Oct 3, 2017 19:23 UTC
Nemser Earl HDirector · Vice Chairman
SaleClass A common stock 731 $45.52 $33,275.12
Disclosure

SEC source: 0001140361-17-037337 · doc1.xml · nonDerivative · entry 2

Nemser Earl H · CIK 0001391400 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 14,683

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.04 to $46.03, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
October 02, 2017 Filed Oct 3, 2017 19:20 UTC
Brody Paul JonathanDirector · Chief Financial Officer
SaleClass A common stock 277 $46.15 $12,783.55
Disclosure

SEC source: 0001140361-17-037332 · doc1.xml · nonDerivative · entry 3

Brody Paul Jonathan · CIK 0001391403 · Director · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 100,112

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $46.04 to $46.15, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
October 02, 2017 Filed Oct 3, 2017 19:20 UTC
Brody Paul JonathanDirector · Chief Financial Officer
SaleClass A common stock 5,482 $45.49 $249,376.18
Disclosure

SEC source: 0001140361-17-037332 · doc1.xml · nonDerivative · entry 2

Brody Paul Jonathan · CIK 0001391403 · Director · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 100,389

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.04 to $46.03, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
October 02, 2017 Filed Oct 3, 2017 18:54 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 1,855 $46.19 $85,682.45
Disclosure

SEC source: 0001140361-17-037324 · doc1.xml · nonDerivative · entry 3

Frank Thomas AJ · CIK 0001391401 · Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 541,131

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC that went into effect August 2, 2017.

F6 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $46.04 to $46.39, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
October 02, 2017 Filed Oct 3, 2017 18:54 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 14,339 $45.51 $652,567.89
Disclosure

SEC source: 0001140361-17-037324 · doc1.xml · nonDerivative · entry 2

Frank Thomas AJ · CIK 0001391401 · Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 542,986

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $45.04 to $46.03, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 29, 2017 Filed Oct 3, 2017 19:23 UTC
Nemser Earl HDirector · Vice Chairman
SaleClass A common stock 841 $44.91 $37,769.31
Disclosure

SEC source: 0001140361-17-037337 · doc1.xml · nonDerivative · entry 1

Nemser Earl H · CIK 0001391400 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 15,414

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.55 to $45.03, inclusive. The reporting person undertakes to provide Interactive Brokers Group, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnotes (4) - (6) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 29, 2017 Filed Oct 3, 2017 19:20 UTC
Brody Paul JonathanDirector · Chief Financial Officer
SaleClass A common stock 5,551 $44.87 $249,073.37
Disclosure

SEC source: 0001140361-17-037332 · doc1.xml · nonDerivative · entry 1

Brody Paul Jonathan · CIK 0001391403 · Director · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 105,871

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.55 to $45.03, inclusive. The reporting person undertakes to provide Interactive Brokers Group, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnotes (4) - (6) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 29, 2017 Filed Oct 3, 2017 18:54 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 16,757 $44.88 $752,054.16
Disclosure

SEC source: 0001140361-17-037324 · doc1.xml · nonDerivative · entry 1

Frank Thomas AJ · CIK 0001391401 · Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 557,325

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.55 to $45.05, inclusive. The reporting person undertakes to provide Interactive Brokers Group, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnotes (4) - (6) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 28, 2017 Filed Sep 29, 2017 19:02 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 16,569 $44.78 $741,959.82
Disclosure

SEC source: 0001140361-17-036918 · doc1.xml · nonDerivative · entry 2

Frank Thomas AJ · CIK 0001391401 · Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 574,082

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.43 to $44.98, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 28, 2017 Filed Sep 29, 2017 19:02 UTC
Nemser Earl HDirector · Vice Chairman
SaleClass A common stock 842 $44.75 $37,679.50
Disclosure

SEC source: 0001140361-17-036917 · doc1.xml · nonDerivative · entry 2

Nemser Earl H · CIK 0001391400 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 16,255

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.43 to $44.95, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 28, 2017 Filed Sep 29, 2017 18:59 UTC
Brody Paul JonathanDirector · Chief Financial Officer
SaleClass A common stock 5,413 $44.78 $242,394.14
Disclosure

SEC source: 0001140361-17-036914 · doc1.xml · nonDerivative · entry 2

Brody Paul Jonathan · CIK 0001391403 · Director · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 111,422

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $44.43 to $44.93, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 27, 2017 Filed Sep 29, 2017 19:02 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 16,340 $44.25 $723,045.00
Disclosure

SEC source: 0001140361-17-036918 · doc1.xml · nonDerivative · entry 1

Frank Thomas AJ · CIK 0001391401 · Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 590,651

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.95 to $44.50, inclusive. The reporting person undertakes to provide Interactive Brokers Group, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnotes (4) - (5) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 27, 2017 Filed Sep 29, 2017 19:02 UTC
Nemser Earl HDirector · Vice Chairman
SaleClass A common stock 790 $44.28 $34,981.20
Disclosure

SEC source: 0001140361-17-036917 · doc1.xml · nonDerivative · entry 1

Nemser Earl H · CIK 0001391400 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 17,097

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.95 to $44.50, inclusive. The reporting person undertakes to provide Interactive Brokers Group, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnotes (4) - (5) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 27, 2017 Filed Sep 29, 2017 18:59 UTC
Brody Paul JonathanDirector · Chief Financial Officer
SaleClass A common stock 5,759 $44.27 $254,950.93
Disclosure

SEC source: 0001140361-17-036914 · doc1.xml · nonDerivative · entry 1

Brody Paul Jonathan · CIK 0001391403 · Director · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 116,835

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.95 to $44.54, inclusive. The reporting person undertakes to provide Interactive Brokers Group, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnotes (4) - (5) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 26, 2017 Filed Sep 27, 2017 19:47 UTC
Nemser Earl HDirector · Vice Chairman
SaleClass A common stock 791 $43.71 $34,574.61
Disclosure

SEC source: 0001140361-17-036605 · doc1.xml · nonDerivative · entry 2

Nemser Earl H · CIK 0001391400 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 17,887

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.53 to $44.01, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 26, 2017 Filed Sep 27, 2017 19:45 UTC
Brody Paul JonathanDirector · Chief Financial Officer
SaleClass A common stock 5,343 $43.74 $233,702.82
Disclosure

SEC source: 0001140361-17-036603 · doc1.xml · nonDerivative · entry 2

Brody Paul Jonathan · CIK 0001391403 · Director · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 122,594

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.53 to $44.01, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 26, 2017 Filed Sep 27, 2017 18:11 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 15,965 $43.74 $698,309.10
Disclosure

SEC source: 0001140361-17-036582 · doc1.xml · nonDerivative · entry 2

Frank Thomas AJ · CIK 0001391401 · Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 606,991

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.53 to $44.06, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 25, 2017 Filed Sep 27, 2017 19:47 UTC
Nemser Earl HDirector · Vice Chairman
SaleClass A common stock 799 $44.10 $35,235.90
Disclosure

SEC source: 0001140361-17-036605 · doc1.xml · nonDerivative · entry 1

Nemser Earl H · CIK 0001391400 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 18,678

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.94 to $44.26, inclusive. The reporting person undertakes to provide Interactive Brokers Group, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnotes (4) - (5) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 25, 2017 Filed Sep 27, 2017 19:45 UTC
Brody Paul JonathanDirector · Chief Financial Officer
SaleClass A common stock 5,482 $44.09 $241,701.38
Disclosure

SEC source: 0001140361-17-036603 · doc1.xml · nonDerivative · entry 1

Brody Paul Jonathan · CIK 0001391403 · Director · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 127,937

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.94 to $44.26, inclusive. The reporting person undertakes to provide Interactive Brokers Group, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnotes (4) - (5) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 25, 2017 Filed Sep 27, 2017 18:11 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 15,488 $44.09 $682,865.92
Disclosure

SEC source: 0001140361-17-036582 · doc1.xml · nonDerivative · entry 1

Frank Thomas AJ · CIK 0001391401 · Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 622,956

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.94 to $44.27, inclusive. The reporting person undertakes to provide Interactive Brokers Group, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnotes (4) - (5) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 22, 2017 Filed Sep 25, 2017 21:38 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 16,255 $43.75 $711,156.25
Disclosure

SEC source: 0001140361-17-036373 · doc1.xml · nonDerivative · entry 2

Frank Thomas AJ · CIK 0001391401 · Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 638,444

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.39 to $44.15, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 22, 2017 Filed Sep 25, 2017 20:13 UTC
Nemser Earl HDirector · Vice Chairman
SaleClass A common stock 782 $43.76 $34,220.32
Disclosure

SEC source: 0001140361-17-036345 · doc1.xml · nonDerivative · entry 2

Nemser Earl H · CIK 0001391400 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 19,477

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.39 to $44.15, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 22, 2017 Filed Sep 25, 2017 20:10 UTC
Brody Paul JonathanDirector · Chief Financial Officer
SaleClass A common stock 5,759 $43.76 $252,013.84
Disclosure

SEC source: 0001140361-17-036342 · doc1.xml · nonDerivative · entry 2

Brody Paul Jonathan · CIK 0001391403 · Director · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 133,419

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.47 to $44.22, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 21, 2017 Filed Sep 25, 2017 21:38 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 16,475 $43.42 $715,344.50
Disclosure

SEC source: 0001140361-17-036373 · doc1.xml · nonDerivative · entry 1

Frank Thomas AJ · CIK 0001391401 · Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 654,699

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.20 to $43.89, inclusive. The reporting person undertakes to provide Interactive Brokers Group, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnotes (4) - (5) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 21, 2017 Filed Sep 25, 2017 20:13 UTC
Nemser Earl HDirector · Vice Chairman
SaleClass A common stock 841 $43.43 $36,524.63
Disclosure

SEC source: 0001140361-17-036345 · doc1.xml · nonDerivative · entry 1

Nemser Earl H · CIK 0001391400 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 20,259

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.20 to $43.89, inclusive. The reporting person undertakes to provide Interactive Brokers Group, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnotes (4) - (5) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 21, 2017 Filed Sep 25, 2017 20:10 UTC
Brody Paul JonathanDirector · Chief Financial Officer
SaleClass A common stock 5,760 $43.42 $250,099.20
Disclosure

SEC source: 0001140361-17-036342 · doc1.xml · nonDerivative · entry 1

Brody Paul Jonathan · CIK 0001391403 · Director · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 139,178

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.20 to $43.89, inclusive. The reporting person undertakes to provide Interactive Brokers Group, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnotes (4) - (5) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 20, 2017 Filed Sep 21, 2017 21:20 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 15,974 $43.59 $696,306.66
Disclosure

SEC source: 0001140361-17-036143 · doc1.xml · nonDerivative · entry 2

Frank Thomas AJ · CIK 0001391401 · Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 671,174

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.17 to $44.05, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 20, 2017 Filed Sep 21, 2017 17:22 UTC
Nemser Earl HDirector · Vice Chairman
SaleClass A common stock 782 $43.57 $34,071.74
Disclosure

SEC source: 0001140361-17-036100 · doc1.xml · nonDerivative · entry 2

Nemser Earl H · CIK 0001391400 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 21,100

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.17 to $44.04, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 20, 2017 Filed Sep 21, 2017 17:19 UTC
Brody Paul JonathanDirector · Chief Financial Officer
SaleClass A common stock 5,065 $43.56 $220,631.40
Disclosure

SEC source: 0001140361-17-036098 · doc1.xml · nonDerivative · entry 2

Brody Paul Jonathan · CIK 0001391403 · Director · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 144,938

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.19 to $44.06, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 20, 2017 Filed Sep 21, 2018 20:29 UTC
Galik MilanDirector · President
PurchaseClass A common stock 578 $43.32 $25,038.96
Disclosure

SEC source: 0001567619-18-003030 · doc1.xml · nonDerivative · entry 1

Galik Milan · CIK 0001391404 · Director · President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 850,329

F1 · shares: These shares were purchased on behalf of the reporting person through a dividend reinvestment program, in which the reporting person is a participant. These shares were inadvertently excluded from Form 4 reporting.

F3 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.22 to $43.50, inclusive. The reporting person undertakes to provide Interactive Brokers Group, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnotes (3) - (7) to this Form 4.

F2 · balance_after: This amount includes (a) Class A common stock attributable to vested restricted stock units that were awarded under the amended 2007 Stock Incentive Plan ("Plan"); (b) unvested restricted stock units that were awarded under the Plan; and (c) the cumulative shares purchased through the dividend investment program.

Read SEC document
September 19, 2017 Filed Sep 21, 2017 21:20 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 16,569 $43.33 $717,934.77
Disclosure

SEC source: 0001140361-17-036143 · doc1.xml · nonDerivative · entry 1

Frank Thomas AJ · CIK 0001391401 · Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 687,148

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.75 to $43.56, inclusive. The reporting person undertakes to provide Interactive Brokers Group, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnotes (4) - (5) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 19, 2017 Filed Sep 21, 2017 17:22 UTC
Nemser Earl HDirector · Vice Chairman
SaleClass A common stock 842 $43.29 $36,450.18
Disclosure

SEC source: 0001140361-17-036100 · doc1.xml · nonDerivative · entry 1

Nemser Earl H · CIK 0001391400 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 21,882

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.75 to $43.56, inclusive. The reporting person undertakes to provide Interactive Brokers Group, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnotes (4) - (5) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 19, 2017 Filed Sep 21, 2017 17:19 UTC
Brody Paul JonathanDirector · Chief Financial Officer
SaleClass A common stock 5,621 $43.28 $243,276.88
Disclosure

SEC source: 0001140361-17-036098 · doc1.xml · nonDerivative · entry 1

Brody Paul Jonathan · CIK 0001391403 · Director · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 150,003

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.75 to $43.50, inclusive. The reporting person undertakes to provide Interactive Brokers Group, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnotes (4) - (5) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 18, 2017 Filed Sep 19, 2017 20:50 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 16,850 $42.66 $718,821.00
Disclosure

SEC source: 0001140361-17-035924 · doc1.xml · nonDerivative · entry 2

Frank Thomas AJ · CIK 0001391401 · Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 703,717

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.97 to $42.85, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 18, 2017 Filed Sep 19, 2017 19:07 UTC
Nemser Earl HDirector · Vice Chairman
SaleClass A common stock 841 $42.66 $35,877.06
Disclosure

SEC source: 0001140361-17-035897 · doc1.xml · nonDerivative · entry 2

Nemser Earl H · CIK 0001391400 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 22,724

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.97 to $42.85, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 18, 2017 Filed Sep 19, 2017 19:04 UTC
Brody Paul JonathanDirector · Chief Financial Officer
SaleClass A common stock 5,620 $42.66 $239,749.20
Disclosure

SEC source: 0001140361-17-035894 · doc1.xml · nonDerivative · entry 2

Brody Paul Jonathan · CIK 0001391403 · Director · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 155,624

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.97 to $42.82, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 15, 2017 Filed Sep 19, 2017 20:50 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 8,418 $41.96 $353,219.28
Disclosure

SEC source: 0001140361-17-035924 · doc1.xml · nonDerivative · entry 1

Frank Thomas AJ · CIK 0001391401 · Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 720,567

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.78 to $42.21, inclusive. The reporting person undertakes to provide Interactive Brokers Group, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnotes (4) - (5) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 15, 2017 Filed Sep 19, 2017 19:07 UTC
Nemser Earl HDirector · Vice Chairman
SaleClass A common stock 842 $41.93 $35,305.06
Disclosure

SEC source: 0001140361-17-035897 · doc1.xml · nonDerivative · entry 1

Nemser Earl H · CIK 0001391400 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 23,565

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.78 to $42.21, inclusive. The reporting person undertakes to provide Interactive Brokers Group, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnotes (4) - (5) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 15, 2017 Filed Sep 19, 2017 19:04 UTC
Brody Paul JonathanDirector · Chief Financial Officer
SaleClass A common stock 5,274 $41.99 $221,455.26
Disclosure

SEC source: 0001140361-17-035894 · doc1.xml · nonDerivative · entry 1

Brody Paul Jonathan · CIK 0001391403 · Director · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 161,244

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.78 to $42.18, inclusive. The reporting person undertakes to provide Interactive Brokers Group, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnotes (4) - (5) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 14, 2017 Filed Sep 15, 2017 16:12 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 8,248 $42.05 $346,828.40
Disclosure

SEC source: 0001140361-17-035626 · doc1.xml · nonDerivative · entry 2

Frank Thomas AJ · CIK 0001391401 · Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 728,985

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.95 to $42.20, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 14, 2017 Filed Sep 15, 2017 16:10 UTC
Nemser Earl HDirector · Vice Chairman
SaleClass A common stock 824 $42.07 $34,665.68
Disclosure

SEC source: 0001140361-17-035624 · doc1.xml · nonDerivative · entry 2

Nemser Earl H · CIK 0001391400 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 24,407

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.95 to $42.20, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 14, 2017 Filed Sep 15, 2017 16:05 UTC
Brody Paul JonathanDirector · Chief Financial Officer
SaleClass A common stock 5,759 $42.05 $242,165.95
Disclosure

SEC source: 0001140361-17-035622 · doc1.xml · nonDerivative · entry 2

Brody Paul Jonathan · CIK 0001391403 · Director · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 166,518

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F5 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.95 to $42.16, inclusive.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 13, 2017 Filed Sep 15, 2017 16:12 UTC
Frank Thomas AJChief Information Officer
SaleClass A common stock 8,418 $41.83 $352,124.94
Disclosure

SEC source: 0001140361-17-035626 · doc1.xml · nonDerivative · entry 1

Frank Thomas AJ · CIK 0001391401 · Chief Information Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 737,233

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.65 to $41.99, inclusive. The reporting person undertakes to provide Interactive Brokers Group, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnotes (4) - (5) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document
September 13, 2017 Filed Sep 15, 2017 16:10 UTC
Nemser Earl HDirector · Vice Chairman
SaleClass A common stock 842 $41.81 $35,204.02
Disclosure

SEC source: 0001140361-17-035624 · doc1.xml · nonDerivative · entry 1

Nemser Earl H · CIK 0001391400 · Director · Vice Chairman

10b5-1 filing: Not disclosed

Ownership: Indirect · By IBG Holdings LLC

Disclosed balance after: 25,231

F1 · shares: The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by IBG Holdings LLC, in which the reporting person has a pecuniary interest through his membership interest in IBG Holdings LLC, that went into effect August 2, 2017.

F4 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $41.65 to $41.99, inclusive. The reporting person undertakes to provide Interactive Brokers Group, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each price within the ranges set forth in footnotes (4) - (5) to this Form 4.

F2 · balance_after: Represents number of securities owned by IBG Holdings LLC in which the Reporting Person has a pecuniary interest through his membership interest in IBG Holdings LLC.

Read SEC document

Value uses the disclosed total when available, otherwise shares × reported transaction price. It is not an estimate of exercise cash cost or investment performance.